Radeon X1650 GT vs Radeon HD 4870 Mac Edition
We compared two Desktop platform GPUs: 128MB VRAM Radeon X1650 GT and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 4870 Mac Edition 's Advantages
Released 1 years and 8 months late
More VRAM (512GB vs 128GB)
Larger VRAM bandwidth (108.8GB/s vs 12.80GB/s)
800 additional rendering cores
Score
Graphics Card
May 2007
Release Date
Jan 2009
Radeon R500 PCIe
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
400 MHz
Memory Clock
850 MHz
Memory
128MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
12.80GB/s
Bandwidth
108.8GB/s
Render Config
-
Compute Units
10
-
Shading Units
800
8
TMUs
40
8
ROPs
16
-
L1 Cache
16 KB (per CU)
-
L2 Cache
256 KB
Theoretical Performance
3.200 GPixel/s
Pixel Rate
12.00 GPixel/s
3.200 GTexel/s
Texture Rate
30.00 GTexel/s
-
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS
Board Design
Unknown
TDP
150W
200 W
Suggested PSU
450 W
1x DVI
1x VGA
1x S-Video
Outputs
1x DVI
1x mini-DisplayPort 1.0
None
Power Connectors
2x 6-pin
Graphics Processor
RV560
GPU Name
RV770
RV560 GT
GPU Variant
RV770 XT Mac
(215-0669080)
Ultra-Threaded SE
Architecture
TeraScale
TSMC
Foundry
TSMC
80 nm
Process Size
55 nm
0.312 billion
Transistors
0.956 billion
230 mm²
Die Size
256 mm²
Graphics Features
9.0c (9_3)
DirectX
10.1 (10_1)
2.1
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
3.0
Shader Model
4.1
