Summary
AMD released the Radeon HD 3870 in 2007. This graphics card features the RV670 GPU, manufactured on a 55nm process. It comes equipped with 512-1024 MB GDDR4 memory on a 256-bit interface, delivering up to 76.8 GB/s of bandwidth. The GPU operates at 775 MHz with a theoretical compute performance of 496 GFLOPS. The card connects via PCIe2.0 and requires 6pin external power. It supports DX10.1.
Performance
GPU Clock
775 MHz
Memory Clock
2250(1125)
Shader Performance
496000 MFLOPS
Pixel Fillrate
12400 MP/s
Texel Fillrate
12400 MT/s
Memory
Memory Size
512-1024 MB
Bus Width
256-bit
Memory Type
GDDR4
Max Bandwidth
76800 MB/s
Architecture
GPU Chip
RV670
Core Config
320 SP; 16 TMU/ROP
Vertex Processors
320
Process Size
55nm
Transistors
666m
Compatibility
DirectX
DX10.1
Bus Slot
PCIe2.0
External Power
6pin
Release
Release Year
2007
Launch Price
$269
Performance to Price
Worse
Better
Performance Comparison
Shader Performance (MFLOPS)
Memory Bandwidth (MB/s)
Game Performance Estimates
FPS estimates scaled from RTX 3060 benchmark data. Actual results vary based on CPU, drivers, and game updates.
Cyberpunk 2077
2020Medium
3
FPS
High
3
FPS
Ultra
2
FPS
Red Dead Redemption 2
2019Medium
3
FPS
High
2
FPS
Ultra
2
FPS
GTA V
2015Medium
6
FPS
High
5
FPS
Ultra
3
FPS
Fortnite
2017Medium
6
FPS
High
5
FPS
Ultra
3
FPS
Valorant
2020Medium
15
FPS
High
12
FPS
Ultra
10
FPS
Counter-Strike 2
2023Medium
7
FPS
High
6
FPS
Ultra
4
FPS
Call of Duty: MW III
2023Medium
5
FPS
High
4
FPS
Ultra
3
FPS
Apex Legends
2019Medium
6
FPS
High
5
FPS
Ultra
4
FPS
Elden Ring
2022Medium
2
FPS
High
2
FPS
Ultra
2
FPS
Hogwarts Legacy
2023Medium
3
FPS
High
2
FPS
Ultra
2
FPS
The Witcher 3
2015Medium
5
FPS
High
4
FPS
Ultra
3
FPS
Baldur's Gate 3
2023Medium
4
FPS
High
3
FPS
Ultra
2
FPS
60+ FPS (Smooth)
30-59 FPS (Playable)
<30 FPS (Low)