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
GPU
Arc A770
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2400 MHz
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
A770
Core Specs
Shading Units
1,408
4,096
+190.9%
Shaders
1,408
4,096
+190.9%
TMUs
88
256
+190.9%
ROPs
32
128
+300.0%
Compute Units
22
—
Execution Units
—
512
Clocks
Base Clock
—
2100 MHz
Boost Clock
—
2400 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
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)
—
L2 Cache
512 KB
16 MB
Performance
Pixel Rate
25.60 GPixel/s
307.2 GPixel/s
Texture Rate
70.40 GTexel/s
614.4 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
19.66 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
2.458 TFLOPS (1:8)
FP16 (TFLOPS)
—
39.32 TFLOPS (2:1)
AI/RT
RT Cores
—
32
XMX Cores
—
512
Power
TDP
200 W
225 W
TDP (W)
200
225
+12.5%
Suggested PSU
550 W
550 W
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
TeraScale 3
Xe-HPG
GPU Name
Cayman
DG2-512
Generation
Northern Islands
(HD 6900)
Alchemist
(Arc 7)
Process Size
40 nm
6 nm
Transistors
2,640 million
21,700 million
Die Size
389 mm²
406 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
53.4M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
Shader Model
5.0
6.6
Physical
Slot Width
Dual-slot
Dual-slot
Length
286 mm
11.3 inches
—
Height
126 mm
5 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 2.0
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Launch Price
299 USD
329 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
Xe Graphics
Successor
Southern Islands
Battlemage