GeForce GT 140 OEM vs Radeon HD 4870 Mac Edition
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 140 OEM 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
GeForce GT 140 OEM 's Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (105W vs 150W)
Radeon HD 4870 Mac Edition 's Advantages
Larger VRAM bandwidth (108.8GB/s vs 57.60GB/s)
736 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 140 OEM
208
Radeon HD 4870 Mac Edition
+476%
1200
Graphics Card
Mar 2009
Release Date
Jan 2009
GeForce 100
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
900 MHz
Memory Clock
850 MHz
Memory
1024MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
57.60GB/s
Bandwidth
108.8GB/s
Render Config
-
Compute Units
10
8
SM Count
-
64
Shading Units
800
32
TMUs
40
16
ROPs
16
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
256 KB
Theoretical Performance
10.40 GPixel/s
Pixel Rate
12.00 GPixel/s
20.80 GTexel/s
Texture Rate
30.00 GTexel/s
208.0 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS
Board Design
105W
TDP
150W
300 W
Suggested PSU
450 W
2x DVI
1x S-Video
Outputs
1x DVI
1x mini-DisplayPort 1.0
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
G94B
GPU Name
RV770
-
GPU Variant
RV770 XT Mac
(215-0669080)
Tesla
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.505 billion
Transistors
0.956 billion
196 mm²
Die Size
256 mm²
Graphics Features
11.1 (10_0)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.1
CUDA
-
4.0
Shader Model
4.1