GPU Comparison
RADEON
AMD Radeon HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
RTX 4000 SFF Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
1560 MHz
TDP
70 W
BUS WIDTH
160 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
RTX 4000 SFF Ada Generation
Core Specs
Shading Units
1,792
6,144
+242.9%
Shaders
1,792
6,144
+242.9%
TMUs
112
192
+71.4%
ROPs
32
64
+100.0%
Compute Units
28
—
SM Count
—
48
Clocks
Base Clock
—
720 MHz
Boost Clock
—
1560 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
3 GB
20 GB
VRAM (MB)
3,072
20,480
+566.7%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
160 bit
Bandwidth
240.0 GB/s
280.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
48 MB
Performance
Pixel Rate
25.60 GPixel/s
99.84 GPixel/s
Texture Rate
89.60 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
—
19.17 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
200 W
70 W
TDP (W)
200
70
-65.0%
Suggested PSU
550 W
250 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Tahiti
AD104
Generation
Southern Islands
(HD 7900)
Workstation Ada
(x000A)
Process Size
28 nm
5 nm
Transistors
4,313 million
35,800 million
Die Size
352 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
121.8M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
8.9
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
278 mm
10.9 inches
168 mm
6.6 inches
Height
111 mm
4.4 inches
69 mm
2.7 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
449 USD
—
Production
End-of-life
Active
Predecessor
Northern Islands
Workstation Ampere
Successor
Sea Islands
Blackwell PRO W