GPU Comparison
RADEON
AMD Radeon Pro W6800X Duo
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
1967 MHz
TDP
400 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
GEFORCE
Tesla K40m
CORE STATE
GK110B
VRAM
12 GB
CLOCK SPEED
876 MHz
TDP
245 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6800X Duo
Tesla K40m
Core Specs
Shading Units
3,840
2,880
-25.0%
Shaders
3,840
2,880
-25.0%
TMUs
240
240
0.0%
ROPs
96
48
-50.0%
Compute Units
60
—
Clocks
Base Clock
1800 MHz
745 MHz
Boost Clock
1967 MHz
876 MHz
Memory Clock
2000 MHz
16 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
32 GB
12 GB
VRAM (MB)
32,768
12,288
-62.5%
Memory Type
GDDR6
GDDR5
Memory Bus
256 bit
384 bit
Bandwidth
512.0 GB/s
288.4 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
4 MB
1536 KB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
188.8 GPixel/s
52.56 GPixel/s
Texture Rate
472.1 GTexel/s
210.2 GTexel/s
FP32 (TFLOPS)
15.11 TFLOPS
5.046 TFLOPS
FP64 (TFLOPS)
944.2 GFLOPS (1:16)
1.682 TFLOPS (1:3)
FP16 (TFLOPS)
30.21 TFLOPS (2:1)
—
AI/RT
RT Cores
60
—
Power
TDP
400 W
245 W
TDP (W)
400
245
-38.8%
Suggested PSU
800 W
550 W
Architecture
Architecture
RDNA 2.0
Kepler
GPU Name
Navi 21
GK110B
Generation
Radeon Pro Mac
(Navi II Series)
Tesla Kepler
(Kxx)
Process Size
7 nm
28 nm
Transistors
26,800 million
7,080 million
Die Size
520 mm²
561 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
12.6M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.5
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
Quad-slot
Dual-slot
Length
267 mm
10.5 inches
267 mm
10.5 inches
Height
120 mm
4.7 inches
—
Outputs
1x HDMI 2.14x Thunderbolt
No outputs
Bus Interface
Apple MPX
PCIe 3.0 x16
Other
Launch Price
4,999 USD
7,699 USD
Production
End-of-life
End-of-life
Predecessor
—
Tesla Fermi
Successor
—
Tesla Maxwell