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
TITAN X Pascal
CORE STATE
GP102
VRAM
12 GB
CLOCK SPEED
1531 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
TITAN X Pascal
Core Specs
Shading Units
2,048
3,584
+75.0%
Shaders
2,048
3,584
+75.0%
TMUs
128
224
+75.0%
ROPs
32
96
+200.0%
Compute Units
32
—
SM Count
—
28
Clocks
Base Clock
—
1417 MHz
Boost Clock
—
1531 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1251 MHz
10 Gbps effective
Memory
Memory Size
3 GB
12 GB
VRAM (MB)
3,072
12,288
+300.0%
Memory Type
GDDR5
GDDR5X
Memory Bus
384 bit
384 bit
Bandwidth
264.0 GB/s
480.4 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
768 KB
3 MB
Performance
Pixel Rate
29.60 GPixel/s
147.0 GPixel/s
Texture Rate
118.4 GTexel/s
342.9 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
10.97 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
342.9 GFLOPS (1:32)
FP16 (TFLOPS)
—
171.5 GFLOPS (1:64)
Power
TDP
250 W
250 W
TDP (W)
250
250
0.0%
Suggested PSU
600 W
600 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Pascal
GPU Name
Tahiti
GP102
Generation
Southern Islands
(HD 7900)
GeForce 10
Process Size
28 nm
16 nm
Transistors
4,313 million
11,800 million
Die Size
352 mm²
471 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
25.1M / 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)
3.0
CUDA
—
6.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
275 mm
10.8 inches
267 mm
10.5 inches
Height
111 mm
4.4 inches
112 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
549 USD
1,199 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GeForce 900
Successor
Sea Islands
GeForce 20