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
GEFORCE
RTX 4000 Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
2175 MHz
TDP
130 W
BUS WIDTH
160 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
RTX 4000 Ada Generation
Core Specs
Shading Units
2,048
6,144
+200.0%
Shaders
2,048
6,144
+200.0%
TMUs
128
192
+50.0%
ROPs
32
64
+100.0%
Compute Units
32
—
SM Count
—
48
Clocks
Base Clock
—
1500 MHz
Boost Clock
—
2175 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
3 GB
20 GB
VRAM (MB)
3,072
20,480
+566.7%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
160 bit
Bandwidth
264.0 GB/s
360.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
48 MB
Performance
Pixel Rate
29.60 GPixel/s
139.2 GPixel/s
Texture Rate
118.4 GTexel/s
417.6 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
26.73 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
417.6 GFLOPS (1:64)
FP16 (TFLOPS)
—
26.73 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
250 W
130 W
TDP (W)
250
130
-48.0%
Suggested PSU
600 W
300 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 16-pin
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Tahiti
AD104
Generation
Southern Islands
(HD 7900)
Workstation Ada
(x000A)
Process Size
28 nm
5 nm
Transistors
4,313 million
35,800 million
Die Size
352 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
121.8M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
8.9
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
275 mm
10.8 inches
245 mm
9.6 inches
Height
111 mm
4.4 inches
112 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
Active
Predecessor
Northern Islands
Workstation Ampere
Successor
Sea Islands
Blackwell PRO W