GPU Comparison
RADEON
AMD Radeon Pro W6800X
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
2087 MHz
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
RADEON
Radeon R7 M340
CORE STATE
Meso
VRAM
2 GB
CLOCK SPEED
1021 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6800X
R7 M340
Core Specs
Shading Units
3,840
320
-91.7%
Shaders
3,840
320
-91.7%
TMUs
240
20
-91.7%
ROPs
96
8
-91.7%
Compute Units
60
5
-91.7%
Clocks
Base Clock
1800 MHz
943 MHz
Boost Clock
2087 MHz
1021 MHz
Memory Clock
2000 MHz
16 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
32 GB
2 GB
VRAM (MB)
32,768
2,048
-93.8%
Memory Type
GDDR6
DDR3
Memory Bus
256 bit
64 bit
Bandwidth
512.0 GB/s
16.00 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
128 KB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
200.4 GPixel/s
8.168 GPixel/s
Texture Rate
500.9 GTexel/s
20.42 GTexel/s
FP32 (TFLOPS)
16.03 TFLOPS
653.4 GFLOPS
FP64 (TFLOPS)
1,001.8 GFLOPS (1:16)
40.84 GFLOPS (1:16)
FP16 (TFLOPS)
32.06 TFLOPS (2:1)
653.4 GFLOPS (1:1)
AI/RT
RT Cores
60
—
Power
TDP
200 W
—
TDP (W)
200
—
Suggested PSU
550 W
—
Power Connectors
Apple MPX
—
Architecture
Architecture
RDNA 2.0
GCN 3.0
GPU Name
Navi 21
Meso
Generation
Radeon Pro Mac
(Navi II Series)
Gem System
(R7 M300)
Process Size
7 nm
28 nm
Transistors
26,800 million
1,550 million
Die Size
520 mm²
125 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
12.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.1
2.1
Shader Model
6.8
6.5
Physical
Slot Width
Quad-slot
—
Length
267 mm
10.5 inches
—
Height
120 mm
4.7 inches
—
Outputs
1x HDMI 2.14x Thunderbolt
—
Bus Interface
Apple MPX
PCIe 3.0 x8
Other
Launch Price
2,799 USD
—
Production
End-of-life
End-of-life
Predecessor
—
Solar System
Successor
—
Polaris Mobile