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
RADEON
Radeon VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1750 MHz
TDP
295 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_metal
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
VII
Core Specs
Shading Units
1,792
3,840
+114.3%
Shaders
1,792
3,840
+114.3%
TMUs
112
240
+114.3%
ROPs
32
64
+100.0%
Compute Units
28
60
+114.3%
Clocks
Base Clock
—
1400 MHz
Boost Clock
—
1750 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
3 GB
16 GB
VRAM (MB)
3,072
16,384
+433.3%
Memory Type
GDDR5
HBM2
Memory Bus
384 bit
4096 bit
Bandwidth
240.0 GB/s
1.02 TB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
4 MB
Performance
Pixel Rate
25.60 GPixel/s
112.0 GPixel/s
Texture Rate
89.60 GTexel/s
420.0 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
13.44 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
3.360 TFLOPS (1:4)
FP16 (TFLOPS)
—
26.88 TFLOPS (2:1)
Power
TDP
200 W
295 W
TDP (W)
200
295
+47.5%
Suggested PSU
550 W
600 W
Power Connectors
2x 6-pin
2x 8-pin
Architecture
Architecture
GCN 1.0
GCN 5.1
GPU Name
Tahiti
Vega 20
Generation
Southern Islands
(HD 7900)
Vega II
(Radeon VII)
Process Size
28 nm
7 nm
Transistors
4,313 million
13,230 million
Die Size
352 mm²
331 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
40.0M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
278 mm
10.9 inches
280 mm
11 inches
Height
111 mm
4.4 inches
125 mm
4.9 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
449 USD
699 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Vega
Successor
Sea Islands
Navi