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GPU Comparison
ATI Radeon HD 3450 AGP vs ATI Radeon HD 4870 Mac Edition
ATI Radeon HD 3450 AGP vs ATI Radeon HD 4870 Mac Edition
VS
ATI Radeon HD 3450 AGP
ATI Radeon HD 4870 Mac Edition
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3450 AGP 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
ATI Radeon HD 3450 AGP 's Advantages
Lower TDP (25W vs 150W)
ATI Radeon HD 4870 Mac Edition 's Advantages
Released 1 years late
Larger VRAM bandwidth (108.8GB/s vs 8.000GB/s)
760 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 3450 AGP
0.048 TFLOPS
Radeon HD 4870 Mac Edition
+2400%
1.2 TFLOPS
Radeon HD 3450 AGP
VS
Radeon HD 4870 Mac Edition
Graphics Card
Jan 2008
Release Date
Jan 2009
Radeon R600
Generation
Radeon R700
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
500 MHz
Memory Clock
850 MHz
Memory
512MB
Memory Size
512MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
8.000GB/s
Bandwidth
108.8GB/s
Render Config
-
SM Count
-
2
Compute Units
10
40
Shading Units
800
4
TMUs
40
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
256 KB
Theoretical Performance
2.400 GPixel/s
Pixel Rate
12.00 GPixel/s
2.400 GTexel/s
Texture Rate
30.00 GTexel/s
-
FP16 (half)
-
48.00 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS
Graphics Processor
RV620
GPU Name
RV770
RV620 LE
GPU Variant
RV770 XT Mac (215-0669080)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.181 billion
Transistors
0.956 billion
67 mm²
Die Size
256 mm²
Board Design
25W
TDP
150W
200 W
Suggested PSU
450 W
2x DVI
Outputs
1x DVI 1x mini-DisplayPort 1.0
1x Molex
Power Connectors
2x 6-pin
Graphics Features
10.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
4.1
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