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 RX Vega 64
CORE STATE
Vega 10
VRAM
8 GB
CLOCK SPEED
1546 MHz
TDP
295 W
BUS WIDTH
2048 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_metal
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
RX Vega 64
Core Specs
Shading Units
1,792
4,096
+128.6%
Shaders
1,792
4,096
+128.6%
TMUs
112
256
+128.6%
ROPs
32
64
+100.0%
Compute Units
28
64
+128.6%
Clocks
Base Clock
—
1247 MHz
Boost Clock
—
1546 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
945 MHz
1890 Mbps effective
Memory
Memory Size
3 GB
8 GB
VRAM (MB)
3,072
8,192
+166.7%
Memory Type
GDDR5
HBM2
Memory Bus
384 bit
2048 bit
Bandwidth
240.0 GB/s
483.8 GB/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
98.94 GPixel/s
Texture Rate
89.60 GTexel/s
395.8 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
12.66 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
791.6 GFLOPS (1:16)
FP16 (TFLOPS)
—
25.33 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 5.0
GPU Name
Tahiti
Vega 10
Generation
Southern Islands
(HD 7900)
Vega
(RX Vega)
Process Size
28 nm
14 nm
Transistors
4,313 million
12,500 million
Die Size
352 mm²
495 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
25.3M / 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
111 mm
4.4 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
499 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Polaris
Successor
Sea Islands
Navi