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 580 2048SP
CORE STATE
Polaris 20
VRAM
4 GB
CLOCK SPEED
1284 MHz
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
RX 580 2048SP
Core Specs
Shading Units
2,048
2,048
0.0%
Shaders
2,048
2,048
0.0%
TMUs
128
128
0.0%
ROPs
32
32
0.0%
Compute Units
32
32
0.0%
Clocks
Base Clock
—
1168 MHz
Boost Clock
—
1284 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1750 MHz
7 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
256 bit
Bandwidth
264.0 GB/s
224.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
2 MB
Performance
Pixel Rate
29.60 GPixel/s
41.09 GPixel/s
Texture Rate
118.4 GTexel/s
164.4 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
5.259 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
328.7 GFLOPS (1:16)
FP16 (TFLOPS)
—
5.259 TFLOPS (1:1)
Power
TDP
250 W
150 W
TDP (W)
250
150
-40.0%
Suggested PSU
600 W
450 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Tahiti
Polaris 20
Generation
Southern Islands
(HD 7900)
Polaris
(RX 500)
Process Size
28 nm
14 nm
Transistors
4,313 million
5,700 million
Die Size
352 mm²
232 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
24.6M / 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
Dual-slot
Length
275 mm
10.8 inches
241 mm
9.5 inches
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Arctic Islands
Successor
Sea Islands
Vega