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 Pro 5300
CORE STATE
Navi 14
VRAM
4 GB
CLOCK SPEED
1650 MHz
TDP
85 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
Pro 5300
Core Specs
Shading Units
2,048
1,280
-37.5%
Shaders
2,048
1,280
-37.5%
TMUs
128
80
-37.5%
ROPs
32
32
0.0%
Compute Units
32
20
-37.5%
Clocks
Base Clock
—
1000 MHz
Boost Clock
—
1650 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
128 bit
Bandwidth
264.0 GB/s
224.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
2 MB
Performance
Pixel Rate
29.60 GPixel/s
52.80 GPixel/s
Texture Rate
118.4 GTexel/s
132.0 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
4.224 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
264.0 GFLOPS (1:16)
FP16 (TFLOPS)
—
8.448 TFLOPS (2:1)
Power
TDP
250 W
85 W
TDP (W)
250
85
-66.0%
Suggested PSU
600 W
250 W
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
RDNA 1.0
GPU Name
Tahiti
Navi 14
Generation
Southern Islands
(HD 7900)
Radeon Pro Mac
(Navi Series)
Process Size
28 nm
7 nm
Transistors
4,313 million
6,400 million
Die Size
352 mm²
158 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
40.5M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.8
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
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—