Radeon X1650 GT vs Radeon HD 7870 GHz Edition
We compared two Desktop platform GPUs: 128MB VRAM Radeon X1650 GT and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7870 GHz Edition 's Advantages
Released 4 years and 10 months late
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (153.6GB/s vs 12.80GB/s)
1280 additional rendering cores
Score
Graphics Card
May 2007
Release Date
Mar 2012
Radeon R500 PCIe
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
400 MHz
Memory Clock
1200 MHz
Memory
128MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
12.80GB/s
Bandwidth
153.6GB/s
Render Config
-
Compute Units
20
-
Shading Units
1280
8
TMUs
80
8
ROPs
32
-
L1 Cache
16 KB (per CU)
-
L2 Cache
512 KB
Theoretical Performance
3.200 GPixel/s
Pixel Rate
32.00 GPixel/s
3.200 GTexel/s
Texture Rate
80.00 GTexel/s
-
FP32 (float)
2.560 TFLOPS
-
FP64 (double)
160.0 GFLOPS
Board Design
Unknown
TDP
175W
200 W
Suggested PSU
450 W
1x DVI
1x VGA
1x S-Video
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
RV560
GPU Name
Pitcairn
RV560 GT
GPU Variant
Pitcairn XT
(215-0828047)
Ultra-Threaded SE
Architecture
GCN 1.0
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.312 billion
Transistors
2.8 billion
230 mm²
Die Size
212 mm²
Graphics Features
9.0c (9_3)
DirectX
12 (11_1)
2.1
OpenGL
4.6
N/A
OpenCL
1.2
N/A
Vulkan
1.2
3.0
Shader Model
5.1
