NVIDIA TITAN X Pascal vs ATI Radeon HD 2900 XTX
We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA TITAN X Pascal 's Advantages
Boost Clock1531MHz
More VRAM (12GB vs 512GB)
Larger VRAM bandwidth (480.4GB/s vs 106.0GB/s)
3264 additional rendering cores
ATI Radeon HD 2900 XTX 's Advantages
Lower TDP (240W vs 250W)
Score
Benchmark
FP32 (float)
TITAN X Pascal
+2204%
10.97 TFLOPS
Radeon HD 2900 XTX
0.476 TFLOPS
Graphics Card
Aug 2016
Release Date
Unknown
GeForce 10
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1417 MHz
Base Clock
-
1531 MHz
Boost Clock
-
1251 MHz
Memory Clock
828 MHz
Memory
12GB
Memory Size
512MB
GDDR5X
Memory Type
GDDR3
384bit
Memory Bus
512bit
480.4GB/s
Bandwidth
106.0GB/s
Render Config
-
Compute Units
4
28
SM Count
-
3584
Shading Units
320
224
TMUs
16
96
ROPs
16
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
-
3 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
147.0 GPixel/s
Pixel Rate
11.89 GPixel/s
342.9 GTexel/s
Texture Rate
11.89 GTexel/s
171.5 GFLOPS
FP16 (half)
-
10.97 TFLOPS
FP32 (float)
475.5 GFLOPS
342.9 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
240W
600 W
Suggested PSU
550 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GP102
GPU Name
R600
GP102-400-A1
GPU Variant
R600 XTX A11
(215RGMDKA11FG)
Pascal
Architecture
TeraScale
TSMC
Foundry
TSMC
16 nm
Process Size
80 nm
11.8 billion
Transistors
0.72 billion
471 mm²
Die Size
420 mm²
Graphics Features
12 (12_1)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full)
4.0 (partial)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
6.1
CUDA
-
6.4
Shader Model
4.0
