GPU Comparison
RADEON
AMD Radeon HD 7970
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
RADEON
Radeon RX Vega M GH
CORE STATE
Polaris 22
VRAM
4 GB
CLOCK SPEED
1190 MHz
TDP
100 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
RX Vega M GH
Core Specs
Shading Units
2,048
1,536
-25.0%
Shaders
2,048
1,536
-25.0%
TMUs
128
96
-25.0%
ROPs
32
64
+100.0%
Compute Units
32
24
-25.0%
Clocks
Base Clock
—
1063 MHz
Boost Clock
—
1190 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
800 MHz
1600 Mbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
HBM2
Memory Bus
384 bit
1024 bit
Bandwidth
264.0 GB/s
204.8 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
1024 KB
Performance
Pixel Rate
29.60 GPixel/s
76.16 GPixel/s
Texture Rate
118.4 GTexel/s
114.2 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
3.656 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
228.5 GFLOPS (1:16)
FP16 (TFLOPS)
—
3.656 TFLOPS (1:1)
Power
TDP
250 W
100 W
TDP (W)
250
100
-60.0%
Suggested PSU
600 W
—
Power Connectors
1x 6-pin + 1x 8-pin
—
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Tahiti
Polaris 22
Generation
Southern Islands
(HD 7900)
Vega
(Vega M)
Process Size
28 nm
14 nm
Transistors
4,313 million
5,000 million
Die Size
352 mm²
208 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
24.0M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
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
IGP
Length
275 mm
10.8 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
IGP
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—