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
GEFORCE
GB10
CORE STATE
GB20B
VRAM
128 GB
CLOCK SPEED
2418 MHz
TDP
140 W
BUS WIDTH
256 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
GB10
Core Specs
Shading Units
1,408
6,144
+336.4%
Shaders
1,408
6,144
+336.4%
TMUs
88
384
+336.4%
ROPs
32
48
+50.0%
Compute Units
22
—
SM Count
—
48
Clocks
Base Clock
—
1665 MHz
Boost Clock
—
2418 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1067 MHz
8.5 Gbps effective
Memory
Memory Size
2 GB
128 GB
VRAM (MB)
2,048
131,072
+6300.0%
Memory Type
GDDR5
LPDDR5X
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
273.2 GB/s
Cache
L1 Cache
8 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
50 MB
Performance
Pixel Rate
25.60 GPixel/s
116.1 GPixel/s
Texture Rate
70.40 GTexel/s
928.5 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
29.71 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
464.3 GFLOPS (1:64)
FP16 (TFLOPS)
—
29.71 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
384
Power
TDP
200 W
140 W
TDP (W)
200
140
-30.0%
Suggested PSU
550 W
300 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
TeraScale 3
Blackwell 2.0
GPU Name
Cayman
GB20B
Generation
Northern Islands
(HD 6900)
Server Blackwell
(Bxx)
Process Size
40 nm
5 nm
Transistors
2,640 million
—
Die Size
389 mm²
—
Foundry
TSMC
TSMC
Density
6.8M / mm²
—
API Support
DirectX
11.2 (11_0)
—
OpenGL
4.4
—
OpenCL
1.2
3.0
CUDA
—
12.1
Shader Model
5.0
—
Physical
Slot Width
Dual-slot
IGP
Length
286 mm
11.3 inches
150 mm
5.9 inches
Height
126 mm
5 inches
51 mm
2 inches
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Other
Launch Price
299 USD
3,999 USD
Production
End-of-life
Active
Predecessor
Evergreen
Server Hopper
Successor
Southern Islands
Server Rubin