GPU Comparison
RADEON
AMD Radeon HD 6950
CORE STATE
Cayman
VRAM
2 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 3
PROCESS
40 nm
LAUNCH DATE
2010
VS
RADEON
Radeon PRO W6800
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
2322 MHz
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
PRO W6800
Core Specs
Shading Units
1,408
3,840
+172.7%
Shaders
1,408
3,840
+172.7%
TMUs
88
240
+172.7%
ROPs
32
96
+200.0%
Compute Units
22
60
+172.7%
Clocks
Base Clock
—
1575 MHz
Boost Clock
—
2322 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
32 GB
VRAM (MB)
2,048
32,768
+1500.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
512.0 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
L3 Cache
—
128 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
25.60 GPixel/s
222.9 GPixel/s
Texture Rate
70.40 GTexel/s
557.3 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
17.83 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
1,114.6 GFLOPS (1:16)
FP16 (TFLOPS)
—
35.67 TFLOPS (2:1)
AI/RT
RT Cores
—
60
Power
TDP
200 W
250 W
TDP (W)
200
250
+25.0%
Suggested PSU
550 W
600 W
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
TeraScale 3
RDNA 2.0
GPU Name
Cayman
Navi 21
Generation
Northern Islands
(HD 6900)
Radeon Pro Navi
(Navi II Series)
Process Size
40 nm
7 nm
Transistors
2,640 million
26,800 million
Die Size
389 mm²
520 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
51.5M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
2.1
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
286 mm
11.3 inches
267 mm
10.5 inches
Height
126 mm
5 inches
120 mm
4.7 inches
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
6x mini-DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Launch Price
299 USD
2,249 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Radeon Pro Vega
Successor
Southern Islands
—