NVIDIA TITAN X Pascal vs AMD Radeon HD 7870 XT
We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA TITAN X Pascal 's Advantages
Released 3 years and 9 months late
Boost Clock has increased by 57% (1531MHz vs 975MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (480.4GB/s vs 192.0GB/s)
2048 additional rendering cores
AMD Radeon HD 7870 XT 's Advantages
Lower TDP (185W vs 250W)
Score
Benchmark
FP32 (float)
TITAN X Pascal
+266%
10.97 TFLOPS
Radeon HD 7870 XT
2.995 TFLOPS
3DMark Time Spy
TITAN X Pascal
+455%
9844
Radeon HD 7870 XT
1773
3DMark Time Spy Extreme
TITAN X Pascal
+1267%
4812
Radeon HD 7870 XT
352
Graphics Card
Aug 2016
Release Date
Nov 2012
GeForce 10
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1417 MHz
Base Clock
925 MHz
1531 MHz
Boost Clock
975 MHz
1251 MHz
Memory Clock
1500 MHz
Memory
12GB
Memory Size
2GB
GDDR5X
Memory Type
GDDR5
384bit
Memory Bus
256bit
480.4GB/s
Bandwidth
192.0GB/s
Render Config
-
Compute Units
24
28
SM Count
-
3584
Shading Units
1536
224
TMUs
96
96
ROPs
32
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
147.0 GPixel/s
Pixel Rate
31.20 GPixel/s
342.9 GTexel/s
Texture Rate
93.60 GTexel/s
171.5 GFLOPS
FP16 (half)
-
10.97 TFLOPS
FP32 (float)
2.995 TFLOPS
342.9 GFLOPS
FP64 (double)
748.8 GFLOPS
Board Design
250W
TDP
185W
600 W
Suggested PSU
450 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GP102
GPU Name
Tahiti
GP102-400-A1
GPU Variant
Tahiti LE
(215-0821122)
Pascal
Architecture
GCN 1.0
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
11.8 billion
Transistors
4.313 billion
471 mm²
Die Size
352 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
6.1
CUDA
-
6.4
Shader Model
5.1
