AMD Radeon RX 6800 XT and RX 6800 Geekbench (OpenCL) benchmarks leaked

Published: 11th Nov 2020, 09:02 GMT   Comments

Compute performance of Radeon RX 6800 series leaks.

AMD Radeon RX 6800 and RX 6800 XT OpenCL performance

At Geekbench the alleged benchmark result of the upcoming Radeon RX 6800 series have been spotted by APISAK. These are, unfortunately, the Geekbench 4.4 results (the software’s 5.1.2 version is already available).

It appears that the same user has tested multiple GPUs using the same system, meaning we have a point of reference for better comparison. The testing was concluded using a system featuring Intel Comet Lake CPU (Core i9-10900K) on the ROG Maximus XII Extreme (Z490) motherboard paired with 16GB DDR4 memory clocked at 3600 MHz.

Five scores were saved by the Geekbench database, three of RX 6800XT, and two of RX 6800. There is a 3% to 5% difference in scores between the results, unfortunately, the software does not explain if the variance is caused by overclocking or because it is simply that unstable. The software reports a 1.81 GHz clock for the RX 6800 and 2.02 GHz frequency for RX 6800 XT (both are official game clocks).

AMD Radeon RX 6800XT and RX 6800 in Geekbench

AMD Radeon RX 6800 XT appears to offer 109% to 114% performance of GeForce RTX 3070. The non-XT version of the RX 6800 offers very similar performance to RTX 3070 (96 to 99%), however, the performance varies depending on the workload.

It appears that Big Navi has much better performance in Sparse Fast Fourier Transform calculations (180% to 220%) while being noticeably slower than NVIDIA Ampere in histogram equalization (58% to 76% of RTX 3070).

Do note that the “Radeon RX6800 XT #4” result, which was added later, was performed with a different system (Ryzen 9 5950X), while other results were performed using the same Intel i9-10900K platform.

AMD Radeon RX 6800 Series Geekbench results
Radeon RX
6800 XT #4
Radeon RX
6800 XT #3
Radeon RX
6800 XT #2
Radeon RX
6800 XT #1
Radeon RX
6800 #2
Radeon RX
6800 #1
GeForce RTX 3080GeForce RTX 3070
Sobel1087976 (129%)1071499 (127%)859559 (102%)750440 (89%)746974 (88%)715348 (85%)1199829 (142%)844805 (100%)
Histogram Equalization329540 (85%)226192 (58%)295415 (76%)274084 (70%)259744 (67%)265402 (68%)465819 (120%)389537 (100%)
SFFT127859 (239%)117706 (220%)109160 (204%)121848 (228%)96057 (180%)97787 (183%)86286 (162%)53397 (100%)
Gaussian Blur1007917 (139%)898063 (124%)821605 (114%)820894 (114%)743985 (103%)808767 (112%)1041852 (144%)723012 (100%)
Face Detection114723 (112%)113847 (112%)113280 (111%)110522 (108%)87035 (85%)91447 (90%)112365 (110%)102073 (100%)
RAW4134309 (146%)3731144 (132%)3777187 (133%)3632740 (128%)2882122 (102%)3119262 (110%)4475757 (158%)2830787 (100%)
Depth of Field1532035 (101%)1354456 (90%)1359672 (90%)1191858 (79%)1137599 (75%)1136803 (75%)1909551 (126%)1510381 (100%)
Particle Physics56505 (108%)57560 (111%)57263 (110%)57382 (110%)53293 (102%)53390 (102%)49976 (96%)52071 (100%)
Overall Score456837 (127%)413121 (114%)407387 (113%)392643 (109%)347137 (96%)356337 (99%)470743 (130%)361042 (100%)

NVIDIA GeForce RTX 3070 vs AMD Radeon RX 6800 non-XT (best):

AMD RX 6800 vs NVIDIA RTX 3070

NVIDIA GeForce RTX 3080 vs AMD Radeon RX 6800 XT (best):

AMD RX 6800 vs NVIDIA RTX 3080

NVIDIA & AMD High-End GPUs 2020-2021
VideoCardzGeForce RTX 3080GeForce RTX 3070Radeon RX 6800XTRadeon RX 6800
Picture
ArchitectureNVIDIA AmpereNVIDIA AmpereAMD RDNA2AMD RDNA2
GPU8nm GA102-2008nm GA104-3007nm Navi 21 XT7nm Navi 21 XL
Transistors
 
28.3 B
 
17.4 B
 
26.8 B
 
26.8 B
GPU Clusters
 
68
 
46
 
72
 
60
FP32 Cores
 
8704
 
5888
 
4608
 
3840
RT Accelerators
 
68
 
46
 
72
 
60
Tensor Cores
 
272
 
184
N/AN/A
Texture Units
 
272
 
184
 
288
 
240
ROPs
 
96
 
96
 
128
 
96
Base Clock
 
1440 MHz
 
1500 MHz
 
1825 MHz
 
1700 MHz
Game ClockN/AN/A
 
2015 MHz
 
1815 MHz
Boost Clock
 
1710 MHz
 
1725 MHz
 
2250 MHz
 
2105 MHz
Memory
 
10 GB G6X
 
8 GB G6
 
16GB G6
 
16GB G6
Infinity CacheN/AN/A
 
128 MB
 
128 MB
Memory Clock
 
19 Gbps
 
14 Gbps
 
16 Gbps
 
16 Gbps
Memory Bandwidth
 
760 GB/s
 
448 GB/s
 
512 GB/s
 
512 GB/s
Memory Bus
 
320-bit
 
256-bit
 
256-bit
 
256-bit
TGP/TBP
 
320W
 
220
 
300W
 
250W
MSRP
 
699 USD
 
499 USD
 
649 USD
 
579 USD
Release DateSep 17th, 2020Oct 29th, 2020Nov 18th, 2020Nov 18th, 2020

Update: a new result has been spotted by APISAK, this time utilizing AMD Ryzen 9 5950X processors. It is better than the scores reached on Intel systems:

AMD RX 6800 XT with Ryzen 9 5950X vs AMD RX 6800 XT with Intel Core i9-10900K, Source

Sources via @TUM_APISAK:




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